@import './base.css';
* {
    margin: 0px;
    padding: 0px;
}

html, body, #app, ul {
    list-style: none;
    height: 100%;
}
ul::after{
    content: '';
    display: block;
    clear: both;
}
a{
    text-decoration: none;
}
.center {
    width: 1200px;
    margin: auto;
}